Since the enthalpy of elements in their natural state is taken to be zero, the heat of formation (Δf H) of compounds

Question

Since the enthalpy of elements in their natural state is taken to be zero, the heat of formation (Δf H) of compounds (A) Is always negative (B) Is always positive (C) May be negative or positive (D) Is zero

Tardigrade Admin · Accepted Answer

Correct answer is (c) May be negative or positive

Q. Since the enthalpy of elements in their natural state is taken to be zero, the heat of formation (Δf​H) of compounds

Is always negative

Is always positive

May be negative or positive

Is zero

Correct answer is (c) May be negative or positive

Q. Since the enthalpy of elements in their natural state is taken to be zero, the heat of formation $(Δ_{f} H)$ of compounds